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It's short for JPEG - Joint Photography Experts Group
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Joint Photographic Experts Group

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In computing, JPEG is a commonly used method of compression for photographic images. The name JPEG stands for Joint Photographic Experts Group, the name of the committee that created the standard.

Both JPEG (Joint Photographic Experts Group) and JPG (Joint Photographic Group) are bitmap compression formats for picture and image files with compression ratios ranging from 10:1 to 20:1. In fact, JPG and JPEF file formats are identical. Older DOS-based computers were designed to handle a maximum "3-character file extension" which is why JPG was attributed to compressed image files. Newer Operating systems such as Windows XP and Vista allow for longer file extensions as evidenced by ".html". Accordingly, the JPF file extension was upgraded to the JPEG file extension which is the true acronym for Joint Photographic Experts Group. Just as a side note, XP and Vista will also support the older JPG file extension.

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First answer by ID2203518459. Last edit by Palazzo. Contributor trust: 26 [recommend contributor]. Question popularity: 17 [recommend question]

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